Introduce WebViewPermissionHelperDelegate.

chrome/browser/guest_view/web_view/web_view_permission_helper.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_
 #define CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/user_metrics_action.h"
 #include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/media_stream_request.h"
 #include "extensions/browser/guest_view/guest_view_constants.h"
 
 using base::UserMetricsAction;
 
 namespace extensions {
 
 class WebViewGuest;
+class WebViewPermissionHelperDelegate;
 
 // WebViewPermissionHelper manages <webview> permission requests. This helper
 // class is owned by WebViewGuest. Its purpose is to request permission for
 // various operations from the <webview> embedder, and reply back via callbacks
 // to the callers on a response from the embedder.
 class WebViewPermissionHelper
       : public content::WebContentsObserver {
  public:
   explicit WebViewPermissionHelper(WebViewGuest* guest);
   virtual ~WebViewPermissionHelper();
@@ skipping 88 matching lines @@
     SET_PERMISSION_DENIED
   };
 
   // Responds to the permission request |request_id| with |action| and
   // |user_input|. Returns whether there was a pending request for the provided
   // |request_id|.
   SetPermissionResult SetPermission(int request_id,
                                     PermissionResponseAction action,
                                     const std::string& user_input);
 
+  void CancelPendingPermissionRequest(int request_id);
+
+  WebViewGuest* web_view_guest() { return web_view_guest_; }
+
  private:
 #if defined(ENABLE_PLUGINS)
   // content::WebContentsObserver implementation.
   virtual bool OnMessageReceived(
       const IPC::Message& message,
       content::RenderFrameHost* render_frame_host) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-
-  // Message handlers:
-  void OnBlockedUnauthorizedPlugin(const base::string16& name,
-                                   const std::string& identifier);
-  void OnCouldNotLoadPlugin(const base::FilePath& plugin_path);
-  void OnBlockedOutdatedPlugin(int placeholder_id,
-                               const std::string& identifier);
-  void OnNPAPINotSupported(const std::string& identifier);
-  void OnOpenAboutPlugins();
-#if defined(ENABLE_PLUGIN_INSTALLATION)
-  void OnFindMissingPlugin(int placeholder_id, const std::string& mime_type);
-
-  void OnRemovePluginPlaceholderHost(int placeholder_id);
-#endif  // defined(ENABLE_PLUGIN_INSTALLATION)
-
-  void OnPermissionResponse(const std::string& identifier,
-                            bool allow,
-                            const std::string& user_input);
-#endif  // defiend(ENABLE_PLUGINS)
-
-  void OnGeolocationPermissionResponse(
-      int bridge_id,
-      bool user_gesture,
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnFileSystemPermissionResponse(
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnMediaPermissionResponse(
-      const content::MediaStreamRequest& request,
-      const content::MediaResponseCallback& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnDownloadPermissionResponse(
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  void OnPointerLockPermissionResponse(
-      const base::Callback<void(bool)>& callback,
-      bool allow,
-      const std::string& user_input);
-
-  // Bridge IDs correspond to a geolocation request. This method will remove
-  // the bookkeeping for a particular geolocation request associated with the
-  // provided |bridge_id|. It returns the request ID of the geolocation request.
-  int RemoveBridgeID(int bridge_id);
-
-  void FileSystemAccessedAsyncResponse(int render_process_id,
-                                       int render_frame_id,
-                                       int request_id,
-                                       const GURL& url,
-                                       bool allowed);
-
-  void FileSystemAccessedSyncResponse(int render_process_id,
-                                      int render_frame_id,
-                                      const GURL& url,
-                                      IPC::Message* reply_msg,
-                                      bool allowed);
+#endif  // defined(ENABLE_PLUGINS)
 
   // A counter to generate a unique request id for a permission request.
   // We only need the ids to be unique for a given WebViewGuest.
   int next_permission_request_id_;
 
   WebViewPermissionHelper::RequestMap pending_permission_requests_;
 
-  std::map<int, int> bridge_id_to_request_id_map_;
+  scoped_ptr<extensions::WebViewPermissionHelperDelegate>
+      web_view_permission_helper_delegate_;
 
   WebViewGuest* web_view_guest_;
 
   base::WeakPtrFactory<WebViewPermissionHelper> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelper);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_